In Memory

Marc Lorenzen VIEW PROFILE

Marc Lorenzen, 72, died at his home on Flathead Lake on May 30, 2017, after a short, but courageous, battle with multiple myeloma and stroke. 

Marc is survived by his wife, Lynette; children, Brent Lorenzen and Erica Lorenzen Lengacher; stepsons, Emmett and Peyton Berg; and seven grandchildren, Alexandra, Cole, Jonah, Leah, Mia, Parker and Sami. 

Marc moved to Flathead Lake in the late 1990s after a successful career as an environmental engineer and entrepreneur. After graduating from Cal Berkeley, Marc served in the Public Health Service in Arizona and earned a Ph.D. in engineering and applied physics from Harvard. He subsequently worked as a senior engineer at Battelle and Tetra-Tech before starting his own consulting firm, PTI Environmental Services. After PTI was acquired by Exponent, Inc., Marc served as vice president of Environmental Practices, as well as VP of Corporate and Business Development. 

In recent years, Marc served on the board of the Flathead Lakers, Angel Flight West, and the Flathead Community Foundation, where he was the chairperson for many years. 

Marc had a genuine appreciation of the outdoors, kayaking, hiking and camping in wild places throughout his adult life. At the age of 60, Marc earned his pilot’s license and enjoyed taking his family and friends on short flights throughout the Northwest. He loved spending time with his wife, grandchildren, and his beloved dog, Pauli. He could be found regularly helping out neighbors, offering rides on his tractor, woodworking and spending quiet mornings on the deck. Marc had a particular knack for restoring and reviving just about anything and spent many happy hours tinkering in his workshop and on the property. His steadiness, brilliance, humility, sage counsel, kindness, wry sense of humor and generosity will be missed by many. 

Per his wishes, Marc was cremated and no public services are planned. 

Donations can be made to Flathead Community Foundation, 345 1st Ave. E., Kalispell, MT 59901.

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07/04/17 03:24 PM #8    

Allyson Young (Johnson)

I shared some math and English classes with Marc.  I was a nobody and to me he was a star.  He was unfailingly considerate and friendly.  I am awed at his subsequent achievements!  So sorry that this nasty disease cut short his enjoyment of life and his family's enjoyment of him. 


07/04/17 05:35 PM #9    

Monique Rabier (Moss)

So sorry abut Marc.  My deepest sympathy to his family.  Monique




07/05/17 02:20 AM #10    

Virginia Small (Chambers)

Feel so sad to lose Marc.  He was a sweetheart and will be greatly missed by many.  May God comfort his wife and family and all of us.  Ginni

07/05/17 11:16 AM #11    

Margaret Means (Replogle)

Loved reading about Marc's successful adventure- filled life, which ended too soon. I too have memories of being sent into giggles by him and getting into trouble with our social studies teacher. My heartfelt sympathy goes to his large family and friends.

07/05/17 02:50 PM #12    

Barbara Joy (Schmidt)


I am saddened to hear of Marc's passing.  He was such a good guy.  I appreciated reading about his amazing entrepreneurial career, his connection and adventures with nature, and his love of Lynette and family.

One of my fondest memories of Marc, was his consoling me on my 16th Birthday, after I failed my in car driving test.  I was so humiliated, but Marc soothing voice got me through the day.  I look forward to our 55th Reunion, and sharing more stories with others, as we remember Marc. These are difficult times in our lives, as we face so much grief and loss. 



07/10/17 12:01 PM #13    

Kirsten Sorensen (Matchette)

I am so saddened to learn about Marc's passing and I send my best to the family.  I did talk to Emmett and the family is all together in Mont.  Marc and I go back to 7th grade - riding bikes together in our neighborhood and we boast being the two youngest in our class!!!  As you know, Marc lived in Seattle and the two of us spent a lot of time together up here!  He was truly one of my dearest friends and I will miss him terribly.  Marc, Mimi (Chancellor) and I have such fond memories of times togther and I will cherish those memories forever.  Love you, Marc!

07/11/17 10:53 AM #14    

William Hagbom

I've seen fire and I've seen rain, seen sunny days and thought they'd never end.

I've seen lonely times when I could not find a friend, but I always thought I'd see you again.

I never got to Montana, but always expected I would visit -- too late now -- saddened.

Marc was perhaps the most steady, level headed, and hard working person I have ever known. He worked for the post office Christmas holidays, and paid his way thru Cal as fraternity house manager and maintained the soft drink machine.  (And there may have been a beer in there too.)  And he still managed to obtain an Engineering degree, from CAL!

He pulled me thru Mr. Miller's calculus class.  He got me out of my freshman college dorm to join him at the Cal Delt house for many adventures in Berkeley.  And fun ski weekends -- sleeping in the car in the Alpine Meadows parking lot?  Visited him on Shattuck in Berkeley, Alamo, and Lake Tahoe (where I think he was checking toilets for the USPHS!).

But I will always regret that I didn't knock on his door in Montana.  Still, so many wonderful memories.

07/23/17 02:10 PM #15    

Sue Benjamin (Uranga)

I'm not sure I knew Marc all that well, yet he always said "hello" and smiled.  He made school a friendlier place and an emotionally safer place for all of us.  He helped us all weather the storms of being teenagers.  How interesting he ended up in Montana as this is such a beautiful place to live.  He was one of those his family will miss every day and we also, who only knew him briefly, will miss him always.  

08/21/17 08:03 AM #16    

Anne Sturman (Cole)

It is with sadness and sorrow to learn about Marc's passing away.  He was a good guy.  Marc was bright, witty and friendly.  I know he was a good friend to many. I'm sure many in our class will miss this fine man.  My sympathies to Lynette and his family.

08/25/17 08:30 PM #17    

Marcine McIver (Crowhurst)

Marc was a memorable classmate who achieved academically, cared about others, and always had an encouraging word. His great success in life is truly commendable! My heart goes out to his wife and family for the loss of Marc. May you find comfort in treasured memories of him and the legacy of his life. 


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